CN101775245A - Multifunctional putty and preparation method thereof - Google Patents
Multifunctional putty and preparation method thereof Download PDFInfo
- Publication number
- CN101775245A CN101775245A CN201010101958A CN201010101958A CN101775245A CN 101775245 A CN101775245 A CN 101775245A CN 201010101958 A CN201010101958 A CN 201010101958A CN 201010101958 A CN201010101958 A CN 201010101958A CN 101775245 A CN101775245 A CN 101775245A
- Authority
- CN
- China
- Prior art keywords
- agent
- dispersion
- putty
- minute
- add
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Macromonomer-Based Addition Polymer (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses multifunctional putty and a preparation method thereof. The multifunctional putty is prepared from unsaturated polyester resin, styrene, talcum powder, barium sulfate, titanium pigment, polymerization inhibitor, accelerator, dispersion wetting agent, thixotropic agent and anti-settling agent in certain proportions, is reacted with benzoyl peroxide (BPO) to be solidified into a film, and is suitable for leveling and repairing metal surfaces of automobiles, trains, machinery and the like. In the multifunctional putty and the preparation method thereof provided by the invention, the prepared multifunctional putty has superior flexibility and adhesive force, can resist temperature as high as 180 DEG C on a steel plate, can be polished within 15 minutes at normal temperature, can be coated as thick as 1cm once, greatly saves the repairing time, improves the efficiency, and simultaneously has good adhesive force on various sheet metal substrates; and in addition, the putty has fine appearance and can be easily coated and scraped, and finish paint can conveniently be coated on the putty.
Description
Technical field
The present invention relates to the coating preparation field, relate in particular to a kind of multifunctional putty and preparation method thereof.
Background technology
Along with economic and scientific and technical fast development, production such as automobile, train, machinery and repair the industry high speed development, to atom ash demands for higher performance, as do soon, easily blade coating, can thickly be coated with; Sticking power is good etc. on wide variety of substrates such as steel plate, aluminium sheet and galvanized sheet.
The main COPH of employing of traditional atom ash solidifies, and does catalysis with the cobalt compounds, and speed of response is relatively slow, and when solidifying shrinking percentage poor adhesive force on panel beating greatly; Thick being coated with and often require the thin multiple tracks construction of scraping once during simultaneously traditional atom ash construction reduced working efficiency.
In addition, traditional atom ash will spray the bottoming of epoxy primer or zinc phosphorus priming paint usually in when construction, like this engineering time long, efficient is low.At present some colleague adopts N, and N-dimethyl phenylamino can suitably improve and do speed as initiator, but after solidifying, long-time difficult polishing, and also snappiness and impact are poor.
Above factor makes traditional atom ash products be difficult to adapt to production and the repairing requirements of development already such as automobile, train, machinery.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of multifunctional putty and preparation method thereof, provide a kind of have fast do, easily blade coating, can thickly be coated with, sticking power is good on wide variety of substrates such as steel plate, aluminium sheet and galvanized sheet, multifunctional putty that shrinking percentage is little and preparation method thereof.
In order to achieve the above object, technical scheme of the present invention is as follows:
A kind of multifunctional putty is formed by host and solidifying agent hybrid reaction, and the mass ratio of described host and solidifying agent is: 100: 2, wherein this host comprised following component by weight:
Unsaturated polyester resin: 25-38%;
Dispersion moisture agent: 0.2-1.0%;
Talcum powder: 35-45%;
Barium sulfate: 20-30%;
Thixotropic agent: 0.1-1.5%;
Rutile type Titanium Dioxide: 0.5-2%;
Anti-settling agent: 0.1-1%;
Vinylbenzene: 2-4%;
Stopper: 0.01-0.03%;
Promotor: 0.02-0.04%;
This solidifying agent comprises by weight: 50% benzoyl peroxide.
Described atom ash, wherein, described stopper is a tertiarybutylhydroquinone.
The preparation method of described multifunctional putty wherein, may further comprise the steps:
A, press formula ratio the unsaturated polyester resin input is disperseed to add vinylbenzene, stopper, promotor, thixotropic agent, anti-settling agent simultaneously and to stir 8-10 minute under 700 rev/mins rotating speed in the cylinder, obtain first dispersion;
B, in aforesaid first dispersion, add talcum powder, under 1000-1250 rev/min rotating speed, stirred 20-30 minute, and activated fully until organic thixotropic agent of modification and be uniformly dispersed, and add dispersion moisture agent, stirred 5-10 minute, and obtained second dispersion;
C, add process white in aforesaid second dispersion, stirred 10-15 minute under 1000-1100 rev/min rotating speed, wash machine, cool off while stirring until the grey body temperature and be lower than 40 degree, compression vacuumized 5-10 minute, obtained described host;
D, the red paste solidifying agent of benzoyl peroxide (BPO) of resulting host and 50% is carried out proportioning by 100: 2 mass ratio detect performance.
Multifunctional putty provided by the present invention and preparation method thereof, prepared multifunctional putty has outstanding snappiness and sticking power, temperature tolerance can reach 180 ℃ on steel plate, normal temperature can be polished in following 15 minutes, can the disposable thick 1cm that is coated with, save the time of repairing greatly, raise the efficiency, on multiple panel beating ground, good sticking power is arranged simultaneously.The grey body outward appearance is moist in addition, easily is coated with and scrapes, and is convenient to coating finish thereon.
Embodiment
A kind of multifunctional putty of the present invention and preparation method thereof, clearer, clear and definite for making purpose of the present invention, technical scheme and advantage, the present invention is described in more detail by the following examples.
The invention provides a kind of multifunctional putty, formed by host and solidifying agent hybrid reaction, the mass ratio of described host and solidifying agent is 100: 2, and wherein this host comprises following component by weight: unsaturated polyester resin: 25-38%; Dispersion moisture agent: 0.2-1.0%; Talcum powder: 35-45%; Barium sulfate: 20-30%; Thixotropic agent: 0.1-1.5%; Rutile type Titanium Dioxide: 0.5-2%; Anti-settling agent: 0.1-1%; Vinylbenzene: 2-4%; Stopper: 0.01-0.03%; Promotor: 0.02-0.04%; This solidifying agent comprises by weight: 50% benzoyl peroxide.
The unsaturated polyester resin that the present invention uses has good quick-drying, air-drying property, snappiness, tack, rigidity and intensity.
The dispersion moisture agent that the present invention uses is the salts solution of a kind of unsaturated polyester amino amides and acid polyester, can improve common stopping composition such as the dispersion in unsaturated polyester resin such as talcum powder and barium sulfate.It has reduced viscosity, thereby can realize higher filler loading level and help anti-settling in the storage.
The stopper that the present invention uses is tertiarybutylhydroquinone (TBHQ), and good preservation stability is provided.
The promotor that the present invention uses is a kind of modification azo-compound, and good drying property is provided.
The talcum powder oil number that the present invention uses is low, good dispersity, easily polishing.
The barium sulfate that the present invention uses easily disperses, and oil number is low, and helps strengthening the sticking power of grey body on galvanized sheet.
The titanium dioxide that the present invention uses has excellent weathering resistance, high covering power and easily disperse energy.
The thixotropic agent that the present invention uses provides good application property as organic thixotropic agent of modification.
The anti-settling agent that the present invention uses provides good preservation stability as the mixture of wilkinite and high-specific surface area aerosil.
A kind of multifunctional putty preparation method provided by the invention is ready to raw material by said ratio, comprises following concrete steps:
The first step: the unsaturated polyester resin input is disperseed to add vinylbenzene, stopper, promotor, thixotropic agent, anti-settling agent simultaneously and stirred 8-10 minute under 700 rev/mins rotating speed in the cylinder, obtain first dispersion;
Second step: in aforesaid first dispersion, add talcum powder, under 1000-1250 rev/min rotating speed, stirred 20-30 minute, and activated fully until organic thixotropic agent of modification and be uniformly dispersed, and add dispersion moisture agent, stirred 5-10 minute, and obtained second dispersion;
The 3rd step: add process white in aforesaid second dispersion, stirring is 10-15 minute under 1000-1100 rev/min rotating speed, washes machine, cools off while stirring until the grey body temperature to be lower than 40 degree, and compression vacuumized 5-10 minute, obtained described host.
The 4th step: will be as above resulting described host of the 3rd step and 50% the red paste solidifying agent of benzoyl peroxide (BPO) carry out proportioning detection performance by 100: 2 mass ratio.
Action principle of the present invention is: the unsaturated polyester resin that utilizes modification earlier and different powders, auxiliary agent are reasonably arranged in pairs or groups to make to have and are goodly thixotropicly done soon, can thickly be coated with multifunctional putty.On the one hand, unsaturated polyester resin adopts epoxide modified allylic resin, make it that good sticking power and air-drying property be arranged on panel beating, adopt TBHQ (tertiarybutylhydroquinone) and modification azo-compound respectively as stopper, promotor, can make atom not only dried soon but also have good preservation stability.On interpolation order and technology, dispersion moisture agent is placed on organic thixotropic agent activates the back interpolation fully, can avoid dispersion moisture agent to coat organic thixotropic agent particle, adopting temperature reduction way while stirring in addition also is for fear of the separating out of organic thixotropic agent, and makes it have good draw-off property.On cinnamic usage quantity, we have also done quite a lot of work, make vinylbenzene be controlled at suitable ratio row, make its complete reaction as far as possible, reduce shrinking percentage.The method that adopts different powder collocation and compression to vacuumize makes the grey body exquisiteness, and few sand holes are smooth.
Based on above-mentioned concrete prescription and preparation method, further specify the present invention below by specific examples.By the relevant guide of GB and rower, carry out performance test.
Embodiment 1, and the composition of this example host agent prescription and weight percent are:
| Unsaturated polyester resin: 33 | Vinylbenzene: 4 |
| Dispersion moisture agent: 0.5 | Stopper: 0.01 |
| Talcum powder: 45 | Promotor: 0.03 |
| Rutile type Titanium Dioxide: 1 | Thixotropic agent: 0.5 |
| Barium sulfate: 20 | Anti-settling agent: 1 |
Solidifying agent is 50% benzoyl peroxide;
The concrete blending process step of this example is, the first step: the unsaturated polyester resin input is disperseed in the cylinder by last table formula ratio, add vinylbenzene, stopper, promotor, thixotropic agent, anti-settling agent simultaneously and under 700 rev/mins rotating speed, stirred 8-10 minute, obtain first dispersion;
Second step: in aforesaid first dispersion, add talcum powder, under 1000-1250 rev/min rotating speed, stirred 20-30 minute, and activated fully until organic thixotropic agent of modification and be uniformly dispersed, and add dispersion moisture agent, stirred 5-10 minute, and obtained second dispersion;
The 3rd step: add process white in aforesaid second dispersion, stirring is 10-15 minute under 1000-1100 rev/min rotating speed, washes machine, cools off while stirring until the grey body temperature to be lower than 40 degree, and compression vacuumized 5-10 minute, obtained described host.
The 4th step: will be as above resulting described host of the 3rd step and 50% the red paste solidifying agent of benzoyl peroxide (BPO) carry out proportioning detection performance by 100: 2 mass ratio.
The result is as follows after tested
Remarks: thermotolerance and sticking power, be preferably ★ ★ ★ ★ ★, test condition is at 25 ℃, relative humidity 65%.
Embodiment 2, and the composition of this example host agent prescription and weight percent are:
| Unsaturated polyester resin: 35 | Vinylbenzene: 3.5 |
| Dispersion moisture agent: 0.5 | Stopper: 0.01 |
| Talcum powder: 45 | Promotor: 0.03 |
| Rutile type Titanium Dioxide: 1 | Thixotropic agent: 0.5 |
| Barium sulfate: 18.5 | Anti-settling agent: 1 |
Solidifying agent is 50% benzoyl peroxide;
The concrete blending process step of this example is, the first step: the unsaturated polyester resin input is disperseed in the cylinder by last table formula ratio, add vinylbenzene, stopper, promotor, thixotropic agent, anti-settling agent simultaneously and under 700 rev/mins rotating speed, stirred 8-10 minute, obtain first dispersion;
Second step: in aforesaid first dispersion, add talcum powder, under 1000-1250 rev/min rotating speed, stirred 20-30 minute, and activated fully until organic thixotropic agent of modification and be uniformly dispersed, and add dispersion moisture agent, stirred 5-10 minute, and obtained second dispersion;
The 3rd step: add process white in aforesaid second dispersion, stirring is 10-15 minute under 1000-1100 rev/min rotating speed, washes machine, cools off while stirring until the grey body temperature to be lower than 40 degree, and compression vacuumized 5-10 minute, obtained described host.
The 4th step: will be as above resulting described host of the 3rd step and 50% the red paste solidifying agent of benzoyl peroxide (BPO) carry out proportioning detection performance by 100: 2 mass ratio.
The result is as follows after tested
Remarks: thermotolerance and sticking power, be preferably ★ ★ ★ ★ ★, test condition is at 25 ℃, relative humidity 65%.
From top two examples, do, can thickly be coated with the advantage of multifunctional putty as can be seen soon, it obviously is better than common atom ash at aspect of performances such as application property, dried speed, snappiness, tacks.Can predict, fast do, can thickly be coated with multifunctional putty and will be applied, have good market development potentiality in the future economy and technical development.
In sum, multifunctional putty provided by the present invention and preparation method thereof, be a kind ofly to prepare by a certain percentage by unsaturated polyester resin, vinylbenzene, talcum powder, barium sulfate, titanium dioxide, stopper, promotor, dispersion moisture agent, thixotropic agent, anti-settling agent, and with benzoyl peroxide (BPO) reaction film-forming and make, be applicable to filling and leading up and repairing of metallic surfaces such as automobile, train, machinery.Use this product and can effectively improve production and repairing quality and efficient already such as automobile, train, machinery.Multifunctional putty of the present invention is influenced by envrionment temperature and ground when constructing little; Have fast do, easy blade coating, the advantage that shrinking percentage is little, can thickly be coated with, and its sticking power on wide variety of substrates such as steel plate, aluminium sheet, galvanized sheet is good.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (3)
1. a multifunctional putty is characterized in that, is formed by host and solidifying agent hybrid reaction, and the mass ratio of described host and solidifying agent is 100: 2, and wherein this host comprises following component by weight:
Unsaturated polyester resin: 25-38%;
Dispersion moisture agent: 0.2-1.0%;
Talcum powder: 35-45%;
Barium sulfate: 20-30%;
Thixotropic agent: 0.1-1.5%;
Rutile type Titanium Dioxide: 0.5-2%;
Anti-settling agent: 0.1-1%;
Vinylbenzene: 2-4%;
Stopper: 0.01-0.03%;
Promotor: 0.02-0.04%;
This solidifying agent comprises by weight: 50% benzoyl peroxide.
2. atom ash according to claim 1 is characterized in that described stopper is a tertiarybutylhydroquinone.
3. the preparation method of multifunctional putty according to claim 1 and 2 is characterized in that, may further comprise the steps:
A, press formula ratio the unsaturated polyester resin input is disperseed to add vinylbenzene, stopper, promotor, thixotropic agent, anti-settling agent simultaneously and to stir 8-10 minute under 700 rev/mins rotating speed in the cylinder, obtain first dispersion;
B, in aforesaid first dispersion, add talcum powder, under 1000-1250 rev/min rotating speed, stirred 20-30 minute, and activated fully until organic thixotropic agent of modification and be uniformly dispersed, and add dispersion moisture agent, stirred 5-10 minute, and obtained second dispersion;
C, add process white in aforesaid second dispersion, stirred 10-15 minute under 1000-1100 rev/min rotating speed, wash machine, cool off while stirring until the grey body temperature and be lower than 40 degree, compression vacuumized 5-10 minute, obtained described host;
D, the red paste solidifying agent of the benzoyl peroxide of resulting host and 50% is carried out proportioning by the mass ratio of 100:2, detect performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101019581A CN101775245B (en) | 2010-01-21 | 2010-01-21 | Multifunctional putty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101019581A CN101775245B (en) | 2010-01-21 | 2010-01-21 | Multifunctional putty |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101775245A true CN101775245A (en) | 2010-07-14 |
| CN101775245B CN101775245B (en) | 2012-05-09 |
Family
ID=42511837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101019581A Active CN101775245B (en) | 2010-01-21 | 2010-01-21 | Multifunctional putty |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101775245B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408769A (en) * | 2011-11-28 | 2012-04-11 | 天长市通天化工有限责任公司 | Method for preparing atomic ash for automobile metal plate |
| CN102424734A (en) * | 2011-11-18 | 2012-04-25 | 天长市通天化工有限责任公司 | Preparation method of good sanding performance putty |
| CN102504627A (en) * | 2011-10-22 | 2012-06-20 | 李远登 | Unsaturated polyester white base coat |
| CN102504633A (en) * | 2011-11-18 | 2012-06-20 | 天长市通天化工有限责任公司 | Putty with good sanding property |
| CN102504642A (en) * | 2011-11-28 | 2012-06-20 | 天长市通天化工有限责任公司 | Unsaturated polyester putty for automobile sheetmetal |
| CN103409047A (en) * | 2012-12-24 | 2013-11-27 | 辽宁圣铎涂料科技有限公司 | Cold-coating single-component unsaturated polyester resin road marking paint |
| CN103865367A (en) * | 2014-03-11 | 2014-06-18 | 上海长润发涂料有限公司 | Preparation method of PE (Polyethylene) black backing varnish |
| CN104177901A (en) * | 2014-08-20 | 2014-12-03 | 新盾汽车材料（石家庄）有限公司 | Special putty for high speed trains and preparation method thereof |
| CN106566307A (en) * | 2016-11-18 | 2017-04-19 | 清远永昌涂料有限公司 | Lightweight multifunctional putty and preparation method thereof |
| WO2017080095A1 (en) * | 2015-11-12 | 2017-05-18 | 倪胜广 | Metal surface filling and leveling agent |
| CN107573747A (en) * | 2017-05-18 | 2018-01-12 | 浙江原邦材料科技有限公司 | Formula of putty with electromagnetic wave absorption functions |
| CN107641365A (en) * | 2016-08-24 | 2018-01-30 | 新盾汽车材料（石家庄）有限公司 | A kind of motor train unit train atomic ash special and its preparation method and application |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284959A (en) * | 2008-06-02 | 2008-10-15 | 中山市三和气雾有限公司 | Atomic ash special for wood decoration |
| CN101519566B (en) * | 2008-09-17 | 2011-05-18 | 陈杰新 | Method for producing automobil putty |
-
2010
- 2010-01-21 CN CN2010101019581A patent/CN101775245B/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504627A (en) * | 2011-10-22 | 2012-06-20 | 李远登 | Unsaturated polyester white base coat |
| CN102424734B (en) * | 2011-11-18 | 2014-08-06 | 天长市通天化工有限责任公司 | Preparation method of good sanding performance putty |
| CN102424734A (en) * | 2011-11-18 | 2012-04-25 | 天长市通天化工有限责任公司 | Preparation method of good sanding performance putty |
| CN102504633A (en) * | 2011-11-18 | 2012-06-20 | 天长市通天化工有限责任公司 | Putty with good sanding property |
| CN102504633B (en) * | 2011-11-18 | 2014-08-06 | 天长市通天化工有限责任公司 | Putty with good sanding property |
| CN102504642A (en) * | 2011-11-28 | 2012-06-20 | 天长市通天化工有限责任公司 | Unsaturated polyester putty for automobile sheetmetal |
| CN102408769A (en) * | 2011-11-28 | 2012-04-11 | 天长市通天化工有限责任公司 | Method for preparing atomic ash for automobile metal plate |
| CN103409047A (en) * | 2012-12-24 | 2013-11-27 | 辽宁圣铎涂料科技有限公司 | Cold-coating single-component unsaturated polyester resin road marking paint |
| CN103865367A (en) * | 2014-03-11 | 2014-06-18 | 上海长润发涂料有限公司 | Preparation method of PE (Polyethylene) black backing varnish |
| CN103865367B (en) * | 2014-03-11 | 2017-01-11 | 上海长润发涂料有限公司 | Preparation method of PE (Polyethylene) black backing varnish |
| CN104177901A (en) * | 2014-08-20 | 2014-12-03 | 新盾汽车材料（石家庄）有限公司 | Special putty for high speed trains and preparation method thereof |
| WO2017080095A1 (en) * | 2015-11-12 | 2017-05-18 | 倪胜广 | Metal surface filling and leveling agent |
| CN107641365A (en) * | 2016-08-24 | 2018-01-30 | 新盾汽车材料（石家庄）有限公司 | A kind of motor train unit train atomic ash special and its preparation method and application |
| CN107641365B (en) * | 2016-08-24 | 2019-10-25 | 河北新盾合成材料有限公司 | A kind of motor train unit train atomic ash special and its preparation method and application |
| CN106566307A (en) * | 2016-11-18 | 2017-04-19 | 清远永昌涂料有限公司 | Lightweight multifunctional putty and preparation method thereof |
| CN107573747A (en) * | 2017-05-18 | 2018-01-12 | 浙江原邦材料科技有限公司 | Formula of putty with electromagnetic wave absorption functions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101775245B (en) | 2012-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101775245B (en) | Multifunctional putty | |
| CN102504668B (en) | Water-based primer-topcoat synthetic anti-corrosive paint for coating automobile spare parts and preparation method thereof | |
| CN102906188B (en) | Eco-friendly aqueous epoxy resins composition and use thereof | |
| CN103965715B (en) | Water-based glass coating | |
| CN1290940C (en) | Anti-corrosion paint for metal with improved corrosion resistance | |
| CN108034346A (en) | A kind of coating system for the composition and its formation for being used to produce aqueous coating | |
| CN107964317A (en) | Water soluble acrylic acid amino-stoving varnish and preparation method thereof | |
| WO2019223026A1 (en) | Coil coating based on eb-curing | |
| CN103483995B (en) | A kind of PE gloss varnish and preparation method thereof | |
| CN109517516B (en) | Certified bentonite modified waterborne polyurethane coating and preparation method thereof | |
| CN100345922C (en) | High-saline-resistance lead red alcohol acid antirust paint and its preparing method | |
| CN104631207A (en) | Waterproof coating for water-based paperboards and preparation method thereof | |
| JP2014530954A (en) | Corrosion, chip and fuel oil resistant compositions | |
| CN103351795B (en) | Poly-lucid asparagus car paint and preparation method and application | |
| CN109266177A (en) | A kind of water-base epoxy thick-slurry type anticorrosive paint and preparation method thereof | |
| CN109868015A (en) | A kind of organo-mineral complexing is aluminum paint, aqueous and preparation method thereof | |
| CN106832150A (en) | Modified Nano SiO2/ epoxy acrylate latex and its preparation method and application | |
| CN108822285A (en) | The low thinning of the low hydroxyl of high-solid lower-viscosity is than alkyd resin and its preparation method and application | |
| CN105733423B (en) | A kind of silane coupler hydrolyzate and its application in polyaniline attapulgite clay nano composite coating | |
| CN101121839A (en) | Nanometer composite exterior wall coating and preparation method thereof | |
| CN105462483B (en) | A kind of dual cure unsaturated polyester (UP) transparent priming | |
| CN101348689B (en) | Aqueous Malay paint | |
| CN107286802A (en) | Refitted car ultrafast dry one-component priming paint and preparation method | |
| CN110003762A (en) | A kind of preparation method of high tenacity intensity cathode electrodip painting coating | |
| CN114106648B (en) | Water-based single-component primer surfacer and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |